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Which one is correct?

1- What kind of movies do you like; action ones or comedy ones?

2- Which kind of movies do you like; action ones or comedy ones?

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cat deskWhich one is correct?

Both are possible, but I'd drop "ones" and write it like this:

What kind of movies do you like — action or comedy?

CJ

Comments  
cat deskWhich one is correct?

They are both possible except for the semicolon which should be a comma. "Ones" is odd, too. Tone and context give each myriad possible interpretations.

 CalifJim's reply was promoted to an answer.